FREE DELIVERY ANYWHERE IN THE USA
We accept PO’s from qualified businesses, government agencies, defense, and educational institutions.
0
Contact Us
1-888-352-2298 [email protected]
Home / HP / Server RAM / HP 647871-B21

HP 647871-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory

Part Number: 647871-B21     Brand: HP
Free 2-Day
Shipping $99+
647871-B21 HP Image
New Condition · Ready to Ship
$99.00 $103.40
★ 6% Off Applied at Checkout
★ Free US 2-Day Express Shipping Over $99
Condition
Quantity

HP 647871-B21 Product Specs

▲
Brand
HP
Capacity
4GB
Memory Speed
1333MHz
Data Integrity Check
ECC
Voltage
1.35v
Rank
1Rx4
Latency Timing
CL9
Pins
240 Pin
Memory Technology
DDR3
Memory Form Factor
RDIMM
HPE Server Generations
Gen 8/Gen 7/Gen 5

This HP Server RAM 647871-B21 is compatible with these HP Servers

▲
Proliant BL465c
Proliant DL385
Proliant SL4545

HP 647871-B21 Description

▼

Upgrade your server performance with the HP 647871-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory. Designed for seamless compatibility with a wide range of HPE ProLiant servers including ProLiant DX, DL, ML, SL, BL, XL, and CL models, this memory module ensures reliable and efficient operation. Ideal for data centers and enterprise environments, it supports Gen 5, Gen 7, and Gen 8 HPE server generations, making it a versatile choice for enhancing system responsiveness and stability.

This memory module boasts essential specifications that cater to high-performance computing needs. It features a 4GB capacity with a fast 1333MHz memory speed, ensuring smooth multitasking and quick data access. The ECC (Error-Correcting Code) functionality helps maintain data integrity by detecting and correcting memory errors, a critical feature for mission-critical applications. Operating at a low voltage of 1.35V, it offers energy-efficient performance while the 1Rx4 rank and CL9 latency timing contribute to balanced speed and reliability. The 240-pin RDIMM form factor is standard for many server motherboards, ensuring easy installation and compatibility.

  • Brand: HP
  • Capacity: 4GB
  • Memory Speed: 1333MHz
  • Data Integrity Check: ECC
  • Voltage: 1.35v
  • Rank: 1Rx4
  • Latency Timing: CL9
  • Pins: 240 Pin
  • Memory Technology: DDR3
  • Memory Form Factor: RDIMM
  • HPE Server Generations: Gen 5 / Gen 7 / Gen 8

For your convenience, here are compatible spare part numbers that you can consider for replacements or upgrades:

Trusted by 5000+ IT Managers, System Integrators & Data Center Experts
Excellent
289 reviews on
Reviews.io

Easy Returns

"We purchased the wrong part by mistake. Boost hardware made it easy to return and quickly issued me a refund."

Even P.

Lowest Price By Far

"We were able to purchase 10x HP 782995-001 for 25% less than the next lowest price. Very impressed with the quick shipping and lack of issues."

Bobbie I

Excellent Customer Service

"Excellent customer service; they got in touch with me right away. They upgraded my next order to free 2-day shipping."

Everett M.
ⓘ We found 16 subs for the HP 647871-B21
100% Match
HP 687458-001 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
✓ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
100% Match
HP 501538-001 16GB 1066MHz 4Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 16GB
✓ Brand: HP
✓ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL7
✓ Chipset: 4Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1066MHz
100% Match
HP 627812-B21 16GB 1333MHz 2Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 16GB
✓ Brand: HP
✓ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 2Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1333MHz
100% Match
HP 595424-001 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
✓ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
100% Match
HP 647893-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
✓ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
100% Match
HP 604500-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
✓ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
100% Match
HP 652504-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
✓ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
100% Match
HP 647893R-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
✓ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
100% Match
HP 616685-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
✓ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
100% Match
HP 617677-001 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
✓ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
100% Match
HP 647894-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
✓ Voltage: 1.35v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
98% Match
HP 500203-061 4GB 1333MHz 2Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
✓ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 2Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
+ Buffered/Registered: Yes
90% Match
HP P06029-B21 16GB 3200MHz 1Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 16GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✕ CAS Latency: CL9
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 3200MHz
90% Match
HP 647895-B21 4GB 1600MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL11
✕ Voltage: 1.35v
✓ Chipset: 1Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1600MHz
90% Match
HP 500666-B21 16GB 1066MHz 4Rx4 ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 16GB
✓ Brand: HP
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL7
✕ Voltage: 1.35v
✓ Chipset: 4Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1066MHz
80% Match
HP 593339-B21 4GB 1333MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 4GB
✓ Brand: HP
✓ Pins: 240 Pin
✓ ECC: ECC
✕ CAS Latency: CL9
✕ Voltage: 1.35v
✓ Chipset: 1Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1333MHz

Customer Reviews

4.8
★★★★★
289 reviews
94% recommend
5
(253)
4
(21)
3
(9)
2
(2)
1
(4)
G
Gary B.
2025-06-12
✓ Verified Buyer
★★★★★
The sales guy at Boost Hardware was super knowledgeable. He helped me find the right part for my older Proliant server.
E
Even P.
2025-04-09
✓ Verified Buyer
★★★★★
We purchased the wrong part by mistake. Boost hardware made it easy to return and quickly issued me a refund.
M
Matthew S.
2025-04-08
✓ Verified Buyer
★★★★★
Good purchasing experience.
A
Aaron P.
2025-04-04
✓ Verified Buyer
★★★★★
The refurbished drives we ordered were in perfect condition.
M
Mitch F.
2025-04-04
✓ Verified Buyer
★★★★★
BoostHardware always has what I need at reasonable prices.
D
David P.
2025-03-28
✓ Verified Buyer
★★★★★
Delivered on time.
L
Louis J.
2025-03-26
✓ Verified Buyer
★★★★★
Found the hard drives I needed. The ordering process was smooth and fast. Got the drives next day.
D
Darryl P.
2025-03-25
✓ Verified Buyer
★★★★★
Excellent personal service, thanks Scott!
L
Lindsay M.
2025-03-21
✓ Verified Buyer
★★★★★
Good price on the drives we needed.

Expert Sales Support

Looking for a bulk discount? Call 1-888-352-2298 and a rep will assist you with part no. 647871-B21.

Availability

New Condition: In Stock

Refurbished Condition: In Stock

Delivery Options

Overnight and Express Delivery in USA
Get within 1 to 3 days

$49 Ground Shipping To Canada

International Delivery Options Available
Contact Us For Detail

Payment Options

All Credit Cards Accepted + PayPal

PO Accepted from Qualified Businesses and Government Entities

Return & Warranty

30 days return

Warranty vary by product please see our Policies page